Knott End-on-Sea is a village in Lancashire, England, on the southern side of Morecambe Bay, across the Wyre estuary from Fleetwood. Knott End has a pub, the Bourne Arms, county library and golf club. Buses run regularly from Knott End and there is also a seasonal three-minute ferry crossing to Fleetwood.

Knott End also has two clubs, The Squash and Knott End Working Men's Club. Hackensall Hall is reputed to be named after an invading Viking named Haken.